Home / 905,015.93-1,248,961.23-517,952.85

Finding the Fourth Proportional to 905,015.93, 1,248,961.23 and 517,952.85

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Solution

The fourth proportional to 905,015.93, 1,248,961.23 and 517,952.85 is: 714,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,015.93 : 1,248,961.23 = 517,952.85 : x
  2. Step 2: Convert to fraction form
    905,015.93/1,248,961.23 = 517,952.85/x
  3. Step 3: Cross multiply
    905,015.93x = 1,248,961.23 × 517,952.85
  4. Step 4: Simplify right side
    905,015.93x = 646,903,028,618.01
  5. Step 5: Solve for x
    x = 646,903,028,618.01/905,015.93
  6. Step 6: Final answer
    x = 714,797.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.